package com.wyw.design.model.learning.behavioral.emptyobject.observerpattern;

/**
 * @Title   抽象对象
 * @Description
 * @Author Mr Wu yewen.wu.china@gmail.com
 * @Date 2023/4/19 15:19
 * Update History:
 * Author        Time            Content
 */
public abstract class AbstractObject {
    String name;
    abstract String getName();
    abstract boolean isNull();
}
